Presidential elections · 2000–2024
St. Charles County, MO — Presidential Election Results (2000–2024)
In 2024, St. Charles County, Missouri voted for Donald J. Trump (Republican) by R+17.0 — 92,226 Democratic to 130,588 Republican of 226,166 votes cast. From 2020 to 2024 it shifted 0.5 points toward Democrats. That makes it 1.4 points more Democratic than Missouri overall (R+18.4).
Data: MIT Election Data & Science Lab, Harvard Dataverse.
Margin by election, 2000–2024
Democratic minus Republican, in points of all votes cast — blue bars Democratic, red Republican.
Every election in St. Charles County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 92,226 | 130,588 | 3,352 | 40.8% | 57.7% | R+17.0 |
| 2020 | 89,530 | 128,389 | 4,098 | 40.3% | 57.8% | R+17.5 |
| 2016 | 68,626 | 121,650 | 10,729 | 34.1% | 60.5% | R+26.4 |
| 2012 | 71,838 | 110,784 | 3,068 | 38.7% | 59.7% | R+21.0 |
| 2008 | 84,183 | 102,550 | 1,796 | 44.7% | 54.4% | R+9.7 |
| 2004 | 66,855 | 95,826 | 807 | 40.9% | 58.6% | R+17.7 |
| 2000 | 53,806 | 72,114 | 2,766 | 41.8% | 56.0% | R+14.2 |
St. Charles County presidential elections — FAQ
Who carried St. Charles County in the 2024 presidential election?+
Donald J. Trump (Republican) carried St. Charles County, Missouri in 2024 by R+17.0, with 226,166 votes cast. Data: MIT Election Data & Science Lab.
How did St. Charles County shift between 2020 and 2024?+
St. Charles County shifted 0.5 points toward Democrats between 2020 (R+17.5) and 2024 (R+17.0).
Is St. Charles County more Democratic or Republican than Missouri overall?+
In 2024, St. Charles County went R+17.0 while Missouri overall went R+18.4 — 1.4 points more Democratic than the state.
Where does this election data come from?+
County-level presidential returns (2000–2024) come from the MIT Election Data and Science Lab (MEDSL), published on the Harvard Dataverse. pumsdata is an independent product that makes the data easy to map and compare, and is not affiliated with MEDSL or Harvard.